Where does “氥” come from?

氥 (Chinese) comes from English xenon, from Ancient Greek ξένος, from Ancient Greek ἐλαύνω, from Ancient Greek -τός, from Proto-Indo-European -tós — Creates verbal adjectives from verb stems.

Ancestry of “氥”, step by step

Step	Language	Word	Meaning
1	English	xenon	The chemical element with an atomic number of...
2	Ancient Greek	ξένος	foreign; strange, unusual; of parties giving or...
3	Ancient Greek	ἐλαύνω	drive, set in motion; ride a horse, drive a...
4	Ancient Greek	-τός	creates verbal adjectives of possibility, either...
5	Proto-Indo-European	-tós	Creates verbal adjectives from verb stems

Every word from Proto-Indo-European -tós →